Transformers
Distribution Transformer
300kVA Oil Immersed Transformer
In the field of power transmission and distribution, NPC ELECTRIC 300kVA oil-immersed transformer stands out with its excellent performance, providing reliable power support for various power consumption scenarios. The transformer is carefully wound with high-quality silicon steel sheets and electromagnetic wires, with extremely low no-load loss and load loss, which greatly improves the efficiency of power conversion and effectively reduces electricity costs. It is widely used in industrial plants, commercial centers, residential communities, infrastructure construction, and other fields to meet the power needs of different scenarios.
315kVA Oil Immersed Transformer
The 315kVA Oil Immersed Transformers are essential devices that convert electrical energy from one voltage level to another, enabling the efficient transmission and distribution of power across various systems. Oil-immersed transformers, in particular, have become industry favorites due to their superior cooling and insulation capabilities, which extend their lifespan and reduce maintenance requirements. The integration of renewable energy sources, such as wind and solar, requires transformers that can handle the variable output of these sources. 315kVA Oil Immersed Transformers are well-suited for this task due to their robustness and adaptability.
400kVA Oil Immersed Transformer
The 400kVA Oil Immersed Transformer produced by our company adopts a new insulation structure to improve the short-circuit resistance; the iron core is made of high-quality cold-rolled silicon steel sheet; the high-voltage winding is made of high-quality oxygen free copper wire and adopts a multi-layer cylindrical structure; all fasteners are treated with special anti loosening treatment. It has the characteristics of high efficiency and low loss, which can several of power consumption and operation cost, and has significant social benefits. It is a high-tech product promoted by the state.
500kVA Oil Immersed Transformer
The 500kVA oil-immersed transformer complies with ANSI, CSA, NEMA, IEEE, IEC, GB, and DOE standards. NPC ELECTRIC'S 500kVA oil-immersed transformers have a solid core and winding construction using high-quality materials to ensure optimum performance. The core is made of cold-rolled silicon steel sheets to minimize energy loss and increase thermal stability. The windings are constructed with high-grade copper wire for excellent conductivity and heat dissipation.
630kVA Oil Immersed Transformer
NPC ELECTRIC’S 630kVA oil-immersed transformer adopts a high-efficiency and energy-saving design, complies with the IEC 60076 international standard, and ensures stable operation and long life. Its high-quality silicon steel core and high-performance insulating oil provide excellent electrical performance and heat dissipation capabilities. It is widely used in power systems, industrial parks, and commercial facilities to meet different load requirements.
750kVA Oil Immersed Transformer
NPC ELECTRIC's 750kVA oil-immersed transformer uses advanced oil-immersed cooling technology to provide efficient and stable power conversion. The transformer complies with international standards such as the International Electrotechnical Commission (IEC) and ISO 9001, ensuring the high quality and safety of the product. Its sturdy structure and excellent overload resistance are widely used in industrial, commercial, and power network fields.
800kVA Oil Immersed Transformer
The NPC ELECTRIC 800kVA Oil-Immersed Transformer is designed for high efficiency, durability, and reliable power distribution. Built to meet IEC 60076 and ANSI/IEEE standards, it ensures superior performance and safety. Certified for international quality compliance, it is ideal for industrial, commercial, and utility applications.
1000kVA Oil Immersed Transformer
NPC ELECTRIC's 1000kVA oil-immersed transformer is made of high-quality silicon steel sheets and high-quality insulation materials, with high efficiency, low loss, and long life. The product complies with international standards such as IEC 60076 and GB 1094, and has passed strict type tests and factory tests to ensure safety and reliability.
1250kVA Oil Immersed Transformer
NPC ELECTRIC's 1250kVA oil-immersed transformer adopts advanced design and manufacturing technology and complies with international power equipment standards (such as IEC, ANSI, IEEE, etc.). Its high-quality materials and strict quality control ensure the long-term reliability and safety of the equipment. The transformer has high efficiency and stable power transmission performance and is widely used in industrial, commercial, and power systems.Why Choose Us
As a trusted partner in energy savings and the development of green energy solutions, NPC
Electric has played a pioneering role in the development of national smart grids across
multiple regions.
Project Experience
With years of experience in power transmission and distribution, NPC Electric has become
a trusted name in the manufacturing of cables and transformers. We’ve successfully
served international EPC companies such as Elecnor, Cobra, and Equans in Latin America,
Africa, and Southeast Asia.We have provided the 132kV Power Transformer,Pad Mounted
Transformer and Earth Transformer.
Technical Support
NPC Electric’s skilled engineers offer full-cycle support—from design consultation and
technical drawings to on-site guidance and after-sales service—ensuring peace of mind at
every stage of the project.
We have a technical team of over 60 members and more than 100 after-sales engineers,
ready to assist customers with installation and on-site support.
Till now, we have provided professional engineering services in countries such as
Mongolia, Honduras, Peru, and Rwanda. Our services include winding resistance testing,
oil testing, and installation support.
Quality Control
NPC Electric uses high-quality raw materials and advanced production processes,
supported by strict quality control systems. Our products meet or exceed international
standards such as IEC, UL, and ISO, ensuring safety, reliability, and long service life.
All our cables are subject to third-party laboratory testing—such as by SGS, DNV, or
witnessed directly by customers—to ensure compliance and performance.
Efficient Logistics & Timely Delivery
With over 4,200 sqm of warehouse space and a strategic in China, we guarantee timely
delivery and flexible logistics to meet tight project schedules globally.We have the
professional team to assitance the customer to ship the production, we can do
EXW,CIF,FOB,FCA,CIP or any customer request terms.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What is a Transformer?A transformer is an electrical device used to change the voltage of alternating current (AC). It works on the principle of electromagnetic induction, converting high-voltage current into low-voltage current or low-voltage current into high-voltage current. Transformers are widely used in power transmission, distribution systems, and various electronic devices.
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What are the main uses of a transformer?The main use of a transformer is voltage conversion. Transformers are used in power transmission systems to help transfer electricity from power plants to consumers. In addition, transformers are also used in electronic devices such as chargers, televisions, power adapters, etc., to adjust the voltage to meet the requirements of different devices.
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Do you have UL listed?Yes, our transformer has UL listed. We have exported to America many pad mounted transformer,substation transformer and HV.
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